the rounded portion of the brain, directly behind the cerebrum in birds and mammals, that serves mainly to coordinate movement, posture, and balance. [1555â65; < Latin: brain, diminutive of cerebrum (for formation see castle)] cer`eâ¢belâ²lar, adj.
A pulled muscle is a painful injury that is caused when muscle fibers become torn. These injuries are usually caused by engaging in physical activity without properly warming up first. They can also occur when a person who is not in shape does something that is strenuous to the muscles.
Antagonistic Muscle. (physiology) a muscle that opposes the action of another; the biceps and triceps are antagonistic muscles .A muscle that acts as the opposing force in contraction or relaxing of a muscle. An example of this is the the contraction of the biceps, where the triceps would be the antagonistic muscles.